Eighteen years ago this week, the world was introduced to the Spice Girls — and the world was never the same.

When you heard the song for the first time, you were probably still in middle school, navigating the horrors of hormones and first crushes. And when you were alone in your room, you probably threw this song on your cassette player or searched for it on the radio and sang your guts out.

Because, after all, that's what you really, really, really wanted to do.

But you're an adult now and whether you know it or not, the song should still resonate with you, not just as a link to your past, but as a beacon of wisdom for your future — especially in the love department. Yes - Sporty, Scary, Ginger, Baby and Posh know a lot about love, even before you realized it. So here are 7 applicable lessons in love one can learn simply by listening to Wannabe.